Sfshaza

main() {
  var list = ['apples', 'oranges', 'grapes', 'bananas', 'plums'];
  list.forEach((i) {
    print(list.indexOf(i).toString() + ': ' + i);
  });
}

Sfshaza

// The code passes static non-strong mode static analysis.
// Enable strong mode by clicking Strong mode checkbox in lower right.
// The code now raises a warning.

void fn(List<int> a) {
  print(a);
}

main() {
  var list = [];  // Add <int> before the [] to pass strong mode

Sfshaza

// The code passes static non-strong mode static analysis.
// Enable strong mode by clicking Strong mode checkbox in lower right.
// The code now raises a warning.

void fn(List<int> a) {
  print(a);
}

main() {
  var list = [];  // Add <int> before the [] to pass strong mode

Sfshaza

// Enable strong mode by clicking Strong mode checkbox in lower right.
// The code passes strong mode static analysis.
// Follow the instructions in the generic type assignment below.

class Animal {
  void feed() {}
}

class Alligator extends Animal {}

Sfshaza

void main() {
  for (int i = 0; i < 5; i++) {
    print('hello ${i + 1}');
  }
}

Sfshaza

class Bicycle {
  int cadence;
  int speed;
  int gear;
  
  Bicycle(this.cadence, this.speed, this.gear);
  
  @override
  String toString() => 'Bicycle: $speed mph';
}

Sfshaza

class Bicycle {
  int cadence;
  int _speed;
  int gear;

  Bicycle(this.cadence, this._speed, this.gear);

  int get speed => _speed;

  void applyBrake(int decrement) {

Sfshaza

import 'dart:math';

class Rectangle {
  int width;
  int height;
  Point origin;
}

main() {} // Included main() to suppress uncaught exception.

Sfshaza

import 'dart:math';

class Rectangle {
  Point origin;
  int width;
  int height;

  Rectangle({this.origin = const Point(0, 0), this.width = 0, this.height = 0});
  
  @override

Sfshaza

import 'dart:math';

abstract class Shape {
  num get area;
}

class Circle implements Shape {
  final num radius;
  Circle(this.radius);
  num get area => PI * pow(radius, 2);